Ornamental chain



FIG. 1 is a perspective view of an ornamental chain showing my new design;

FIG. 2 is a top plan view, the opposite side view being identical;

FIG. 3 is a front elevational view, the opposite side view being identical;

FIG. 4 is a left end elevational view; and,

FIG. 5 is a right end elevational view.

FIGS. 1-3 are broken away to indicate an indeterminate length. 

The ornamental design for an ornamental chain, as shown and described. 